DistanceMeasurement: App exception aren't from SystemServer

Calling into IBluetoothGatt will call the GattService from Bluetooth
app that does not live in the systemServer.
Therefore, exception should be rethrown as runtimeException

Bug: 298264617
Test: atest CtsBluetoothTestCases | Cts does not handled failure in the
      binder nor any of the Test framework we currently have
Change-Id: Ibc6e21b7f04d7c534516b3210f93e03ed3db2bb6